Double-blind evaluation of hydroxyzine hydrochloride in obstetric anesthesia.
D000773:Anesthesia, Obstetrical; D001285:Atropine / Q000494:pharmacology*; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D006919:Hydroxyzine / Q000494:pharmacology*; D008614:Meperidine / Q000494:pharmacology*; D010919:Placebos; D011229:Preanesthetic Medication; D011247:Pregnancy
D010919:Placebos; D006919:Hydroxyzine; D001285:Atropine; D008614:Meperidine